20570490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1684

約数の個数: 64

約数和(自身を含む): 56056320

約数和(自身を除く): 35485830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 235, 270, 282, 423, 470, 705, 846, 1269, 1410, 1621, 2115, 2538, 3242, 4230, 4863, 6345, 8105, 9726, 12690, 14589, 16210, 24315, 29178, 43767, 48630, 72945, 76187, 87534, 145890, 152374, 218835, 228561, 380935, 437670, 457122, 685683, 761870, 1142805, 1371366, 2057049, 2285610, 3428415, 4114098, 6856830, 10285245, 20570490]

約数ペア:

[(1, 20570490), (2, 10285245), (3, 6856830), (5, 4114098), (6, 3428415), (9, 2285610), (10, 2057049), (15, 1371366), (18, 1142805), (27, 761870), (30, 685683), (45, 457122), (47, 437670), (54, 380935), (90, 228561), (94, 218835), (135, 152374), (141, 145890), (235, 87534), (270, 76187), (282, 72945), (423, 48630), (470, 43767), (705, 29178), (846, 24315), (1269, 16210), (1410, 14589), (1621, 12690), (2115, 9726), (2538, 8105), (3242, 6345), (4230, 4863)]