20303730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 54633600

約数和(自身を除く): 34329870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 139, 270, 278, 417, 541, 695, 834, 1082, 1251, 1390, 1623, 2085, 2502, 2705, 3246, 3753, 4170, 4869, 5410, 6255, 7506, 8115, 9738, 12510, 14607, 16230, 18765, 24345, 29214, 37530, 48690, 73035, 75199, 146070, 150398, 225597, 375995, 451194, 676791, 751990, 1127985, 1353582, 2030373, 2255970, 3383955, 4060746, 6767910, 10151865, 20303730]

約数ペア:

[(1, 20303730), (2, 10151865), (3, 6767910), (5, 4060746), (6, 3383955), (9, 2255970), (10, 2030373), (15, 1353582), (18, 1127985), (27, 751990), (30, 676791), (45, 451194), (54, 375995), (90, 225597), (135, 150398), (139, 146070), (270, 75199), (278, 73035), (417, 48690), (541, 37530), (695, 29214), (834, 24345), (1082, 18765), (1251, 16230), (1390, 14607), (1623, 12510), (2085, 9738), (2502, 8115), (2705, 7506), (3246, 6255), (3753, 5410), (4170, 4869)]