20221348120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{1279}}^1$

素因数の和:1673

約数の個数: 128

約数和(自身を含む): 48771072000

約数和(自身を除く): 28549723880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 293, 355, 380, 568, 586, 710, 760, 1172, 1279, 1349, 1420, 1465, 2344, 2558, 2698, 2840, 2930, 5116, 5396, 5567, 5860, 6395, 6745, 10232, 10792, 11134, 11720, 12790, 13490, 20803, 22268, 24301, 25580, 26980, 27835, 41606, 44536, 48602, 51160, 53960, 55670, 83212, 90809, 97204, 104015, 111340, 121505, 166424, 181618, 194408, 208030, 222680, 243010, 363236, 374747, 395257, 416060, 454045, 486020, 726472, 749494, 790514, 832120, 908090, 972040, 1498988, 1581028, 1725371, 1816180, 1873735, 1976285, 2997976, 3162056, 3450742, 3632360, 3747470, 3952570, 6901484, 7120193, 7494940, 7905140, 8626855, 13802968, 14240386, 14989880, 15810280, 17253710, 26607037, 28480772, 34507420, 35600965, 53214074, 56961544, 69014840, 71201930, 106428148, 133035185, 142403860, 212856296, 266070370, 284807720, 505533703, 532140740, 1011067406, 1064281480, 2022134812, 2527668515, 4044269624, 5055337030, 10110674060, 20221348120]

約数ペア:

[(1, 20221348120), (2, 10110674060), (4, 5055337030), (5, 4044269624), (8, 2527668515), (10, 2022134812), (19, 1064281480), (20, 1011067406), (38, 532140740), (40, 505533703), (71, 284807720), (76, 266070370), (95, 212856296), (142, 142403860), (152, 133035185), (190, 106428148), (284, 71201930), (293, 69014840), (355, 56961544), (380, 53214074), (568, 35600965), (586, 34507420), (710, 28480772), (760, 26607037), (1172, 17253710), (1279, 15810280), (1349, 14989880), (1420, 14240386), (1465, 13802968), (2344, 8626855), (2558, 7905140), (2698, 7494940), (2840, 7120193), (2930, 6901484), (5116, 3952570), (5396, 3747470), (5567, 3632360), (5860, 3450742), (6395, 3162056), (6745, 2997976), (10232, 1976285), (10792, 1873735), (11134, 1816180), (11720, 1725371), (12790, 1581028), (13490, 1498988), (20803, 972040), (22268, 908090), (24301, 832120), (25580, 790514), (26980, 749494), (27835, 726472), (41606, 486020), (44536, 454045), (48602, 416060), (51160, 395257), (53960, 374747), (55670, 363236), (83212, 243010), (90809, 222680), (97204, 208030), (104015, 194408), (111340, 181618), (121505, 166424)]