20199787440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1717669}}^1$

素因数の和:1717699

約数の個数: 120

約数和(自身を含む): 72842949360

約数和(自身を除く): 52643161920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 1717669, 3435338, 5153007, 6870676, 8588345, 10306014, 12023683, 13741352, 17176690, 20612028, 24047366, 25765035, 27482704, 34353380, 36071049, 41224056, 48094732, 51530070, 60118415, 68706760, 72142098, 82448112, 84165781, 96189464, 103060140, 120236830, 137413520, 144284196, 168331562, 180355245, 192378928, 206120280, 240473660, 252497343, 288568392, 336663124, 360710490, 412240560, 420828905, 480947320, 504994686, 577136784, 673326248, 721420980, 841657810, 961894640, 1009989372, 1262486715, 1346652496, 1442841960, 1683315620, 2019978744, 2524973430, 2885683920, 3366631240, 4039957488, 5049946860, 6733262480, 10099893720, 20199787440]

約数ペア:

[(1, 20199787440), (2, 10099893720), (3, 6733262480), (4, 5049946860), (5, 4039957488), (6, 3366631240), (7, 2885683920), (8, 2524973430), (10, 2019978744), (12, 1683315620), (14, 1442841960), (15, 1346652496), (16, 1262486715), (20, 1009989372), (21, 961894640), (24, 841657810), (28, 721420980), (30, 673326248), (35, 577136784), (40, 504994686), (42, 480947320), (48, 420828905), (49, 412240560), (56, 360710490), (60, 336663124), (70, 288568392), (80, 252497343), (84, 240473660), (98, 206120280), (105, 192378928), (112, 180355245), (120, 168331562), (140, 144284196), (147, 137413520), (168, 120236830), (196, 103060140), (210, 96189464), (240, 84165781), (245, 82448112), (280, 72142098), (294, 68706760), (336, 60118415), (392, 51530070), (420, 48094732), (490, 41224056), (560, 36071049), (588, 34353380), (735, 27482704), (784, 25765035), (840, 24047366), (980, 20612028), (1176, 17176690), (1470, 13741352), (1680, 12023683), (1960, 10306014), (2352, 8588345), (2940, 6870676), (3920, 5153007), (5880, 3435338), (11760, 1717669)]