20121948

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 69464304

約数和(自身を除く): 49342356

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 28, 33, 34, 36, 42, 44, 49, 51, 61, 63, 66, 68, 77, 84, 98, 99, 102, 119, 122, 126, 132, 147, 153, 154, 183, 187, 196, 198, 204, 231, 238, 244, 252, 294, 306, 308, 357, 366, 374, 396, 427, 441, 462, 476, 539, 549, 561, 588, 612, 671, 693, 714, 732, 748, 833, 854, 882, 924, 1037, 1071, 1078, 1098, 1122, 1281, 1309, 1342, 1386, 1428, 1617, 1666, 1683, 1708, 1764, 2013, 2074, 2142, 2156, 2196, 2244, 2499, 2562, 2618, 2684, 2772, 2989, 3111, 3234, 3332, 3366, 3843, 3927, 4026, 4148, 4284, 4697, 4851, 4998, 5124, 5236, 5978, 6039, 6222, 6468, 6732, 7259, 7497, 7686, 7854, 8052, 8967, 9163, 9333, 9394, 9702, 9996, 11407, 11781, 11956, 12078, 12444, 14091, 14518, 14994, 15372, 15708, 17934, 18326, 18666, 18788, 19404, 21777, 22814, 23562, 24156, 26901, 27489, 28182, 29036, 29988, 32879, 34221, 35868, 36652, 37332, 42273, 43554, 45628, 47124, 50813, 53802, 54978, 56364, 65331, 65758, 68442, 79849, 82467, 84546, 87108, 98637, 101626, 102663, 107604, 109956, 130662, 131516, 136884, 152439, 159698, 164934, 169092, 197274, 203252, 205326, 239547, 261324, 295911, 304878, 319396, 329868, 394548, 410652, 457317, 479094, 558943, 591822, 609756, 718641, 914634, 958188, 1117886, 1183644, 1437282, 1676829, 1829268, 2235772, 2874564, 3353658, 5030487, 6707316, 10060974, 20121948]

約数ペア:

[(1, 20121948), (2, 10060974), (3, 6707316), (4, 5030487), (6, 3353658), (7, 2874564), (9, 2235772), (11, 1829268), (12, 1676829), (14, 1437282), (17, 1183644), (18, 1117886), (21, 958188), (22, 914634), (28, 718641), (33, 609756), (34, 591822), (36, 558943), (42, 479094), (44, 457317), (49, 410652), (51, 394548), (61, 329868), (63, 319396), (66, 304878), (68, 295911), (77, 261324), (84, 239547), (98, 205326), (99, 203252), (102, 197274), (119, 169092), (122, 164934), (126, 159698), (132, 152439), (147, 136884), (153, 131516), (154, 130662), (183, 109956), (187, 107604), (196, 102663), (198, 101626), (204, 98637), (231, 87108), (238, 84546), (244, 82467), (252, 79849), (294, 68442), (306, 65758), (308, 65331), (357, 56364), (366, 54978), (374, 53802), (396, 50813), (427, 47124), (441, 45628), (462, 43554), (476, 42273), (539, 37332), (549, 36652), (561, 35868), (588, 34221), (612, 32879), (671, 29988), (693, 29036), (714, 28182), (732, 27489), (748, 26901), (833, 24156), (854, 23562), (882, 22814), (924, 21777), (1037, 19404), (1071, 18788), (1078, 18666), (1098, 18326), (1122, 17934), (1281, 15708), (1309, 15372), (1342, 14994), (1386, 14518), (1428, 14091), (1617, 12444), (1666, 12078), (1683, 11956), (1708, 11781), (1764, 11407), (2013, 9996), (2074, 9702), (2142, 9394), (2156, 9333), (2196, 9163), (2244, 8967), (2499, 8052), (2562, 7854), (2618, 7686), (2684, 7497), (2772, 7259), (2989, 6732), (3111, 6468), (3234, 6222), (3332, 6039), (3366, 5978), (3843, 5236), (3927, 5124), (4026, 4998), (4148, 4851), (4284, 4697)]