20688520620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{7879}}^1$

素因数の和:8407

約数の個数: 96

約数和(自身を含む): 58619635200

約数和(自身を除く): 37931114580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 409, 428, 535, 642, 818, 1070, 1227, 1284, 1605, 1636, 2045, 2140, 2454, 3210, 4090, 4908, 6135, 6420, 7879, 8180, 12270, 15758, 23637, 24540, 31516, 39395, 43763, 47274, 78790, 87526, 94548, 118185, 131289, 157580, 175052, 218815, 236370, 262578, 437630, 472740, 525156, 656445, 843053, 875260, 1312890, 1686106, 2529159, 2625780, 3222511, 3372212, 4215265, 5058318, 6445022, 8430530, 9667533, 10116636, 12645795, 12890044, 16112555, 16861060, 19335066, 25291590, 32225110, 38670132, 48337665, 50583180, 64450220, 96675330, 193350660, 344808677, 689617354, 1034426031, 1379234708, 1724043385, 2068852062, 3448086770, 4137704124, 5172130155, 6896173540, 10344260310, 20688520620]

約数ペア:

[(1, 20688520620), (2, 10344260310), (3, 6896173540), (4, 5172130155), (5, 4137704124), (6, 3448086770), (10, 2068852062), (12, 1724043385), (15, 1379234708), (20, 1034426031), (30, 689617354), (60, 344808677), (107, 193350660), (214, 96675330), (321, 64450220), (409, 50583180), (428, 48337665), (535, 38670132), (642, 32225110), (818, 25291590), (1070, 19335066), (1227, 16861060), (1284, 16112555), (1605, 12890044), (1636, 12645795), (2045, 10116636), (2140, 9667533), (2454, 8430530), (3210, 6445022), (4090, 5058318), (4908, 4215265), (6135, 3372212), (6420, 3222511), (7879, 2625780), (8180, 2529159), (12270, 1686106), (15758, 1312890), (23637, 875260), (24540, 843053), (31516, 656445), (39395, 525156), (43763, 472740), (47274, 437630), (78790, 262578), (87526, 236370), (94548, 218815), (118185, 175052), (131289, 157580)]