20419230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1341

約数の個数: 64

約数和(自身を含む): 54105408

約数和(自身を除く): 33686178

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 195, 205, 246, 390, 410, 533, 615, 1066, 1230, 1277, 1599, 2554, 2665, 3198, 3831, 5330, 6385, 7662, 7995, 12770, 15990, 16601, 19155, 33202, 38310, 49803, 52357, 83005, 99606, 104714, 157071, 166010, 249015, 261785, 314142, 498030, 523570, 680641, 785355, 1361282, 1570710, 2041923, 3403205, 4083846, 6806410, 10209615, 20419230]

約数ペア:

[(1, 20419230), (2, 10209615), (3, 6806410), (5, 4083846), (6, 3403205), (10, 2041923), (13, 1570710), (15, 1361282), (26, 785355), (30, 680641), (39, 523570), (41, 498030), (65, 314142), (78, 261785), (82, 249015), (123, 166010), (130, 157071), (195, 104714), (205, 99606), (246, 83005), (390, 52357), (410, 49803), (533, 38310), (615, 33202), (1066, 19155), (1230, 16601), (1277, 15990), (1599, 12770), (2554, 7995), (2665, 7662), (3198, 6385), (3831, 5330)]