20177209408

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{120011}}^1$

素因数の和:120131

約数の個数: 56

約数和(自身を含む): 41700809664

約数和(自身を除く): 21523600256

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 71, 74, 142, 148, 284, 296, 568, 592, 1136, 1184, 2272, 2368, 2627, 4544, 5254, 10508, 21016, 42032, 84064, 120011, 168128, 240022, 480044, 960088, 1920176, 3840352, 4440407, 7680704, 8520781, 8880814, 17041562, 17761628, 34083124, 35523256, 68166248, 71046512, 136332496, 142093024, 272664992, 284186048, 315268897, 545329984, 630537794, 1261075588, 2522151176, 5044302352, 10088604704, 20177209408]

約数ペア:

[(1, 20177209408), (2, 10088604704), (4, 5044302352), (8, 2522151176), (16, 1261075588), (32, 630537794), (37, 545329984), (64, 315268897), (71, 284186048), (74, 272664992), (142, 142093024), (148, 136332496), (284, 71046512), (296, 68166248), (568, 35523256), (592, 34083124), (1136, 17761628), (1184, 17041562), (2272, 8880814), (2368, 8520781), (2627, 7680704), (4544, 4440407), (5254, 3840352), (10508, 1920176), (21016, 960088), (42032, 480044), (84064, 240022), (120011, 168128)]