20005230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 57784320

約数和(自身を除く): 37779090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 439, 465, 490, 651, 735, 878, 930, 1085, 1302, 1317, 1470, 1519, 2170, 2195, 2634, 3038, 3073, 3255, 4390, 4557, 6146, 6510, 6585, 7595, 9114, 9219, 13170, 13609, 15190, 15365, 18438, 21511, 22785, 27218, 30730, 40827, 43022, 45570, 46095, 64533, 68045, 81654, 92190, 95263, 107555, 129066, 136090, 190526, 204135, 215110, 285789, 322665, 408270, 476315, 571578, 645330, 666841, 952630, 1333682, 1428945, 2000523, 2857890, 3334205, 4001046, 6668410, 10002615, 20005230]

約数ペア:

[(1, 20005230), (2, 10002615), (3, 6668410), (5, 4001046), (6, 3334205), (7, 2857890), (10, 2000523), (14, 1428945), (15, 1333682), (21, 952630), (30, 666841), (31, 645330), (35, 571578), (42, 476315), (49, 408270), (62, 322665), (70, 285789), (93, 215110), (98, 204135), (105, 190526), (147, 136090), (155, 129066), (186, 107555), (210, 95263), (217, 92190), (245, 81654), (294, 68045), (310, 64533), (434, 46095), (439, 45570), (465, 43022), (490, 40827), (651, 30730), (735, 27218), (878, 22785), (930, 21511), (1085, 18438), (1302, 15365), (1317, 15190), (1470, 13609), (1519, 13170), (2170, 9219), (2195, 9114), (2634, 7595), (3038, 6585), (3073, 6510), (3255, 6146), (4390, 4557)]