20552796

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 62270208

約数和(自身を除く): 41717412

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 43, 44, 51, 66, 68, 71, 86, 99, 102, 129, 132, 142, 153, 172, 187, 198, 204, 213, 258, 284, 306, 374, 387, 396, 426, 473, 516, 561, 612, 639, 731, 748, 774, 781, 852, 946, 1122, 1207, 1278, 1419, 1462, 1548, 1562, 1683, 1892, 2193, 2244, 2343, 2414, 2556, 2838, 2924, 3053, 3124, 3366, 3621, 4257, 4386, 4686, 4828, 5676, 6106, 6579, 6732, 7029, 7242, 8041, 8514, 8772, 9159, 9372, 10863, 12212, 13158, 13277, 14058, 14484, 16082, 17028, 18318, 21726, 24123, 26316, 26554, 27477, 28116, 32164, 33583, 36636, 39831, 43452, 48246, 51901, 53108, 54954, 67166, 72369, 79662, 96492, 100749, 103802, 109908, 119493, 134332, 144738, 155703, 159324, 201498, 207604, 238986, 289476, 302247, 311406, 402996, 467109, 477972, 570911, 604494, 622812, 934218, 1141822, 1208988, 1712733, 1868436, 2283644, 3425466, 5138199, 6850932, 10276398, 20552796]

約数ペア:

[(1, 20552796), (2, 10276398), (3, 6850932), (4, 5138199), (6, 3425466), (9, 2283644), (11, 1868436), (12, 1712733), (17, 1208988), (18, 1141822), (22, 934218), (33, 622812), (34, 604494), (36, 570911), (43, 477972), (44, 467109), (51, 402996), (66, 311406), (68, 302247), (71, 289476), (86, 238986), (99, 207604), (102, 201498), (129, 159324), (132, 155703), (142, 144738), (153, 134332), (172, 119493), (187, 109908), (198, 103802), (204, 100749), (213, 96492), (258, 79662), (284, 72369), (306, 67166), (374, 54954), (387, 53108), (396, 51901), (426, 48246), (473, 43452), (516, 39831), (561, 36636), (612, 33583), (639, 32164), (731, 28116), (748, 27477), (774, 26554), (781, 26316), (852, 24123), (946, 21726), (1122, 18318), (1207, 17028), (1278, 16082), (1419, 14484), (1462, 14058), (1548, 13277), (1562, 13158), (1683, 12212), (1892, 10863), (2193, 9372), (2244, 9159), (2343, 8772), (2414, 8514), (2556, 8041), (2838, 7242), (2924, 7029), (3053, 6732), (3124, 6579), (3366, 6106), (3621, 5676), (4257, 4828), (4386, 4686)]