20121680454

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{78877}}^1$

素因数の和:79001

約数の個数: 64

約数和(自身を含む): 44366035392

約数和(自身を除く): 24244354938

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 61, 82, 102, 122, 123, 183, 246, 366, 697, 1037, 1394, 2074, 2091, 2501, 3111, 4182, 5002, 6222, 7503, 15006, 42517, 78877, 85034, 127551, 157754, 236631, 255102, 473262, 1340909, 2681818, 3233957, 4022727, 4811497, 6467914, 8045454, 9622994, 9701871, 14434491, 19403742, 28868982, 54977269, 81795449, 109954538, 163590898, 164931807, 197271377, 245386347, 329863614, 394542754, 490772694, 591814131, 1183628262, 3353613409, 6707226818, 10060840227, 20121680454]

約数ペア:

[(1, 20121680454), (2, 10060840227), (3, 6707226818), (6, 3353613409), (17, 1183628262), (34, 591814131), (41, 490772694), (51, 394542754), (61, 329863614), (82, 245386347), (102, 197271377), (122, 164931807), (123, 163590898), (183, 109954538), (246, 81795449), (366, 54977269), (697, 28868982), (1037, 19403742), (1394, 14434491), (2074, 9701871), (2091, 9622994), (2501, 8045454), (3111, 6467914), (4182, 4811497), (5002, 4022727), (6222, 3233957), (7503, 2681818), (15006, 1340909), (42517, 473262), (78877, 255102), (85034, 236631), (127551, 157754)]