20392890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 59253120

約数和(自身を除く): 38860230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 269, 285, 361, 399, 538, 570, 665, 722, 798, 807, 1083, 1330, 1345, 1614, 1805, 1883, 1995, 2166, 2527, 2690, 3610, 3766, 3990, 4035, 5054, 5111, 5415, 5649, 7581, 8070, 9415, 10222, 10830, 11298, 12635, 15162, 15333, 18830, 25270, 25555, 28245, 30666, 35777, 37905, 51110, 56490, 71554, 75810, 76665, 97109, 107331, 153330, 178885, 194218, 214662, 291327, 357770, 485545, 536655, 582654, 679763, 971090, 1073310, 1359526, 1456635, 2039289, 2913270, 3398815, 4078578, 6797630, 10196445, 20392890]

約数ペア:

[(1, 20392890), (2, 10196445), (3, 6797630), (5, 4078578), (6, 3398815), (7, 2913270), (10, 2039289), (14, 1456635), (15, 1359526), (19, 1073310), (21, 971090), (30, 679763), (35, 582654), (38, 536655), (42, 485545), (57, 357770), (70, 291327), (95, 214662), (105, 194218), (114, 178885), (133, 153330), (190, 107331), (210, 97109), (266, 76665), (269, 75810), (285, 71554), (361, 56490), (399, 51110), (538, 37905), (570, 35777), (665, 30666), (722, 28245), (798, 25555), (807, 25270), (1083, 18830), (1330, 15333), (1345, 15162), (1614, 12635), (1805, 11298), (1883, 10830), (1995, 10222), (2166, 9415), (2527, 8070), (2690, 7581), (3610, 5649), (3766, 5415), (3990, 5111), (4035, 5054)]