20771760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 69424128

約数和(自身を除く): 48652368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 53, 60, 69, 71, 80, 92, 106, 115, 120, 138, 142, 159, 184, 212, 213, 230, 240, 265, 276, 284, 318, 345, 355, 368, 424, 426, 460, 530, 552, 568, 636, 690, 710, 795, 848, 852, 920, 1060, 1065, 1104, 1136, 1219, 1272, 1380, 1420, 1590, 1633, 1704, 1840, 2120, 2130, 2438, 2544, 2760, 2840, 3180, 3266, 3408, 3657, 3763, 4240, 4260, 4876, 4899, 5520, 5680, 6095, 6360, 6532, 7314, 7526, 8165, 8520, 9752, 9798, 11289, 12190, 12720, 13064, 14628, 15052, 16330, 17040, 18285, 18815, 19504, 19596, 22578, 24380, 24495, 26128, 29256, 30104, 32660, 36570, 37630, 39192, 45156, 48760, 48990, 56445, 58512, 60208, 65320, 73140, 75260, 78384, 86549, 90312, 97520, 97980, 112890, 130640, 146280, 150520, 173098, 180624, 195960, 225780, 259647, 292560, 301040, 346196, 391920, 432745, 451560, 519294, 692392, 865490, 903120, 1038588, 1298235, 1384784, 1730980, 2077176, 2596470, 3461960, 4154352, 5192940, 6923920, 10385880, 20771760]

約数ペア:

[(1, 20771760), (2, 10385880), (3, 6923920), (4, 5192940), (5, 4154352), (6, 3461960), (8, 2596470), (10, 2077176), (12, 1730980), (15, 1384784), (16, 1298235), (20, 1038588), (23, 903120), (24, 865490), (30, 692392), (40, 519294), (46, 451560), (48, 432745), (53, 391920), (60, 346196), (69, 301040), (71, 292560), (80, 259647), (92, 225780), (106, 195960), (115, 180624), (120, 173098), (138, 150520), (142, 146280), (159, 130640), (184, 112890), (212, 97980), (213, 97520), (230, 90312), (240, 86549), (265, 78384), (276, 75260), (284, 73140), (318, 65320), (345, 60208), (355, 58512), (368, 56445), (424, 48990), (426, 48760), (460, 45156), (530, 39192), (552, 37630), (568, 36570), (636, 32660), (690, 30104), (710, 29256), (795, 26128), (848, 24495), (852, 24380), (920, 22578), (1060, 19596), (1065, 19504), (1104, 18815), (1136, 18285), (1219, 17040), (1272, 16330), (1380, 15052), (1420, 14628), (1590, 13064), (1633, 12720), (1704, 12190), (1840, 11289), (2120, 9798), (2130, 9752), (2438, 8520), (2544, 8165), (2760, 7526), (2840, 7314), (3180, 6532), (3266, 6360), (3408, 6095), (3657, 5680), (3763, 5520), (4240, 4899), (4260, 4876)]