20022870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 57176928

約数和(自身を除く): 37154058

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 53, 70, 98, 105, 106, 147, 159, 210, 245, 257, 265, 294, 318, 371, 490, 514, 530, 735, 742, 771, 795, 1113, 1285, 1470, 1542, 1590, 1799, 1855, 2226, 2570, 2597, 3598, 3710, 3855, 5194, 5397, 5565, 7710, 7791, 8995, 10794, 11130, 12593, 12985, 13621, 15582, 17990, 25186, 25970, 26985, 27242, 37779, 38955, 40863, 53970, 62965, 68105, 75558, 77910, 81726, 95347, 125930, 136210, 188895, 190694, 204315, 286041, 377790, 408630, 476735, 572082, 667429, 953470, 1334858, 1430205, 2002287, 2860410, 3337145, 4004574, 6674290, 10011435, 20022870]

約数ペア:

[(1, 20022870), (2, 10011435), (3, 6674290), (5, 4004574), (6, 3337145), (7, 2860410), (10, 2002287), (14, 1430205), (15, 1334858), (21, 953470), (30, 667429), (35, 572082), (42, 476735), (49, 408630), (53, 377790), (70, 286041), (98, 204315), (105, 190694), (106, 188895), (147, 136210), (159, 125930), (210, 95347), (245, 81726), (257, 77910), (265, 75558), (294, 68105), (318, 62965), (371, 53970), (490, 40863), (514, 38955), (530, 37779), (735, 27242), (742, 26985), (771, 25970), (795, 25186), (1113, 17990), (1285, 15582), (1470, 13621), (1542, 12985), (1590, 12593), (1799, 11130), (1855, 10794), (2226, 8995), (2570, 7791), (2597, 7710), (3598, 5565), (3710, 5397), (3855, 5194)]