20186790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 32455002

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 191, 195, 271, 382, 390, 542, 573, 813, 955, 1146, 1355, 1626, 1910, 2483, 2710, 2865, 3523, 4065, 4966, 5730, 7046, 7449, 8130, 10569, 12415, 14898, 17615, 21138, 24830, 35230, 37245, 51761, 52845, 74490, 103522, 105690, 155283, 258805, 310566, 517610, 672893, 776415, 1345786, 1552830, 2018679, 3364465, 4037358, 6728930, 10093395, 20186790]

約数ペア:

[(1, 20186790), (2, 10093395), (3, 6728930), (5, 4037358), (6, 3364465), (10, 2018679), (13, 1552830), (15, 1345786), (26, 776415), (30, 672893), (39, 517610), (65, 310566), (78, 258805), (130, 155283), (191, 105690), (195, 103522), (271, 74490), (382, 52845), (390, 51761), (542, 37245), (573, 35230), (813, 24830), (955, 21138), (1146, 17615), (1355, 14898), (1626, 12415), (1910, 10569), (2483, 8130), (2710, 7449), (2865, 7046), (3523, 5730), (4065, 4966)]