20007873730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{28349}}^1$

素因数の和:28519

約数の個数: 64

約数和(自身を含む): 39864636000

約数和(自身を除く): 19856762270

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 89, 122, 130, 178, 305, 445, 610, 793, 890, 1157, 1586, 2314, 3965, 5429, 5785, 7930, 10858, 11570, 27145, 28349, 54290, 56698, 70577, 141154, 141745, 283490, 352885, 368537, 705770, 737074, 1729289, 1842685, 2523061, 3458578, 3685370, 5046122, 8646445, 12615305, 17292890, 22480757, 25230610, 32799793, 44961514, 65599586, 112403785, 153906721, 163998965, 224807570, 307813442, 327997930, 769533605, 1539067210, 2000787373, 4001574746, 10003936865, 20007873730]

約数ペア:

[(1, 20007873730), (2, 10003936865), (5, 4001574746), (10, 2000787373), (13, 1539067210), (26, 769533605), (61, 327997930), (65, 307813442), (89, 224807570), (122, 163998965), (130, 153906721), (178, 112403785), (305, 65599586), (445, 44961514), (610, 32799793), (793, 25230610), (890, 22480757), (1157, 17292890), (1586, 12615305), (2314, 8646445), (3965, 5046122), (5429, 3685370), (5785, 3458578), (7930, 2523061), (10858, 1842685), (11570, 1729289), (27145, 737074), (28349, 705770), (54290, 368537), (56698, 352885), (70577, 283490), (141154, 141745)]