20797600980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26663591}}^1$

素因数の和:26663616

約数の個数: 48

約数和(自身を含む): 62712768384

約数和(自身を除く): 41915167404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 26663591, 53327182, 79990773, 106654364, 133317955, 159981546, 266635910, 319963092, 346626683, 399953865, 533271820, 693253366, 799907730, 1039880049, 1386506732, 1599815460, 1733133415, 2079760098, 3466266830, 4159520196, 5199400245, 6932533660, 10398800490, 20797600980]

約数ペア:

[(1, 20797600980), (2, 10398800490), (3, 6932533660), (4, 5199400245), (5, 4159520196), (6, 3466266830), (10, 2079760098), (12, 1733133415), (13, 1599815460), (15, 1386506732), (20, 1039880049), (26, 799907730), (30, 693253366), (39, 533271820), (52, 399953865), (60, 346626683), (65, 319963092), (78, 266635910), (130, 159981546), (156, 133317955), (195, 106654364), (260, 79990773), (390, 53327182), (780, 26663591)]