20483910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 56010240

約数和(自身を除く): 35526330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 67, 79, 86, 90, 129, 134, 158, 201, 215, 237, 258, 335, 387, 395, 402, 430, 474, 603, 645, 670, 711, 774, 790, 1005, 1185, 1206, 1290, 1422, 1935, 2010, 2370, 2881, 3015, 3397, 3555, 3870, 5293, 5762, 6030, 6794, 7110, 8643, 10191, 10586, 14405, 15879, 16985, 17286, 20382, 25929, 26465, 28810, 30573, 31758, 33970, 43215, 47637, 50955, 51858, 52930, 61146, 79395, 86430, 95274, 101910, 129645, 152865, 158790, 227599, 238185, 259290, 305730, 455198, 476370, 682797, 1137995, 1365594, 2048391, 2275990, 3413985, 4096782, 6827970, 10241955, 20483910]

約数ペア:

[(1, 20483910), (2, 10241955), (3, 6827970), (5, 4096782), (6, 3413985), (9, 2275990), (10, 2048391), (15, 1365594), (18, 1137995), (30, 682797), (43, 476370), (45, 455198), (67, 305730), (79, 259290), (86, 238185), (90, 227599), (129, 158790), (134, 152865), (158, 129645), (201, 101910), (215, 95274), (237, 86430), (258, 79395), (335, 61146), (387, 52930), (395, 51858), (402, 50955), (430, 47637), (474, 43215), (603, 33970), (645, 31758), (670, 30573), (711, 28810), (774, 26465), (790, 25929), (1005, 20382), (1185, 17286), (1206, 16985), (1290, 15879), (1422, 14405), (1935, 10586), (2010, 10191), (2370, 8643), (2881, 7110), (3015, 6794), (3397, 6030), (3555, 5762), (3870, 5293)]