20121479142

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{691}}^1\times {\mathrm{1427}}^1$

素因数の和:2321

約数の個数: 64

約数和(自身を含む): 42689203200

約数和(自身を除く): 22567724058

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 179, 358, 537, 691, 1074, 1382, 1427, 2073, 2854, 3401, 4146, 4281, 6802, 8562, 10203, 13129, 20406, 26258, 27113, 39387, 54226, 78774, 81339, 123689, 162678, 247378, 255433, 371067, 510866, 742134, 766299, 986057, 1532598, 1972114, 2350091, 2958171, 4700182, 4853227, 5916342, 7050273, 9706454, 14100546, 14559681, 18735083, 29119362, 37470166, 56205249, 112410498, 176504203, 353008406, 529512609, 1059025218, 3353579857, 6707159714, 10060739571, 20121479142]

約数ペア:

[(1, 20121479142), (2, 10060739571), (3, 6707159714), (6, 3353579857), (19, 1059025218), (38, 529512609), (57, 353008406), (114, 176504203), (179, 112410498), (358, 56205249), (537, 37470166), (691, 29119362), (1074, 18735083), (1382, 14559681), (1427, 14100546), (2073, 9706454), (2854, 7050273), (3401, 5916342), (4146, 4853227), (4281, 4700182), (6802, 2958171), (8562, 2350091), (10203, 1972114), (13129, 1532598), (20406, 986057), (26258, 766299), (27113, 742134), (39387, 510866), (54226, 371067), (78774, 255433), (81339, 247378), (123689, 162678)]