20668428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 41706612

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 41, 44, 57, 66, 67, 76, 82, 99, 114, 123, 132, 134, 164, 171, 198, 201, 209, 228, 246, 268, 342, 369, 396, 402, 418, 451, 492, 603, 627, 684, 737, 738, 779, 804, 836, 902, 1206, 1254, 1273, 1353, 1474, 1476, 1558, 1804, 1881, 2211, 2337, 2412, 2508, 2546, 2706, 2747, 2948, 3116, 3762, 3819, 4059, 4422, 4674, 5092, 5412, 5494, 6633, 7011, 7524, 7638, 8118, 8241, 8569, 8844, 9348, 10988, 11457, 13266, 14003, 14022, 15276, 16236, 16482, 17138, 22914, 24723, 25707, 26532, 28006, 28044, 30217, 32964, 34276, 42009, 45828, 49446, 51414, 52193, 56012, 60434, 77121, 84018, 90651, 98892, 102828, 104386, 120868, 126027, 154242, 156579, 168036, 181302, 208772, 252054, 271953, 308484, 313158, 362604, 469737, 504108, 543906, 574123, 626316, 939474, 1087812, 1148246, 1722369, 1878948, 2296492, 3444738, 5167107, 6889476, 10334214, 20668428]

約数ペア:

[(1, 20668428), (2, 10334214), (3, 6889476), (4, 5167107), (6, 3444738), (9, 2296492), (11, 1878948), (12, 1722369), (18, 1148246), (19, 1087812), (22, 939474), (33, 626316), (36, 574123), (38, 543906), (41, 504108), (44, 469737), (57, 362604), (66, 313158), (67, 308484), (76, 271953), (82, 252054), (99, 208772), (114, 181302), (123, 168036), (132, 156579), (134, 154242), (164, 126027), (171, 120868), (198, 104386), (201, 102828), (209, 98892), (228, 90651), (246, 84018), (268, 77121), (342, 60434), (369, 56012), (396, 52193), (402, 51414), (418, 49446), (451, 45828), (492, 42009), (603, 34276), (627, 32964), (684, 30217), (737, 28044), (738, 28006), (779, 26532), (804, 25707), (836, 24723), (902, 22914), (1206, 17138), (1254, 16482), (1273, 16236), (1353, 15276), (1474, 14022), (1476, 14003), (1558, 13266), (1804, 11457), (1881, 10988), (2211, 9348), (2337, 8844), (2412, 8569), (2508, 8241), (2546, 8118), (2706, 7638), (2747, 7524), (2948, 7011), (3116, 6633), (3762, 5494), (3819, 5412), (4059, 5092), (4422, 4674)]