204554220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20173}}^1$

素因数の和:20211

約数の個数: 72

約数和(自身を含む): 620229456

約数和(自身を除く): 415675236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 10140, 20173, 40346, 60519, 80692, 100865, 121038, 201730, 242076, 262249, 302595, 403460, 524498, 605190, 786747, 1048996, 1210380, 1311245, 1573494, 2622490, 3146988, 3409237, 3933735, 5244980, 6818474, 7867470, 10227711, 13636948, 15734940, 17046185, 20455422, 34092370, 40910844, 51138555, 68184740, 102277110, 204554220]

約数ペア:

[(1, 204554220), (2, 102277110), (3, 68184740), (4, 51138555), (5, 40910844), (6, 34092370), (10, 20455422), (12, 17046185), (13, 15734940), (15, 13636948), (20, 10227711), (26, 7867470), (30, 6818474), (39, 5244980), (52, 3933735), (60, 3409237), (65, 3146988), (78, 2622490), (130, 1573494), (156, 1311245), (169, 1210380), (195, 1048996), (260, 786747), (338, 605190), (390, 524498), (507, 403460), (676, 302595), (780, 262249), (845, 242076), (1014, 201730), (1690, 121038), (2028, 100865), (2535, 80692), (3380, 60519), (5070, 40346), (10140, 20173)]