20446140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2419

約数の個数: 96

約数和(自身を含む): 67286016

約数和(自身を除く): 46839876

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2383, 2860, 4290, 4766, 7149, 8580, 9532, 11915, 14298, 23830, 26213, 28596, 30979, 35745, 47660, 52426, 61958, 71490, 78639, 92937, 104852, 123916, 131065, 142980, 154895, 157278, 185874, 262130, 309790, 314556, 340769, 371748, 393195, 464685, 524260, 619580, 681538, 786390, 929370, 1022307, 1363076, 1572780, 1703845, 1858740, 2044614, 3407690, 4089228, 5111535, 6815380, 10223070, 20446140]

約数ペア:

[(1, 20446140), (2, 10223070), (3, 6815380), (4, 5111535), (5, 4089228), (6, 3407690), (10, 2044614), (11, 1858740), (12, 1703845), (13, 1572780), (15, 1363076), (20, 1022307), (22, 929370), (26, 786390), (30, 681538), (33, 619580), (39, 524260), (44, 464685), (52, 393195), (55, 371748), (60, 340769), (65, 314556), (66, 309790), (78, 262130), (110, 185874), (130, 157278), (132, 154895), (143, 142980), (156, 131065), (165, 123916), (195, 104852), (220, 92937), (260, 78639), (286, 71490), (330, 61958), (390, 52426), (429, 47660), (572, 35745), (660, 30979), (715, 28596), (780, 26213), (858, 23830), (1430, 14298), (1716, 11915), (2145, 9532), (2383, 8580), (2860, 7149), (4290, 4766)]