20201610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 128

約数和(自身を含む): 60528384

約数和(自身を除く): 40326774

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 30, 33, 34, 39, 51, 55, 65, 66, 78, 85, 102, 110, 130, 143, 165, 170, 187, 195, 221, 255, 277, 286, 330, 374, 390, 429, 442, 510, 554, 561, 663, 715, 831, 858, 935, 1105, 1122, 1326, 1385, 1430, 1662, 1870, 2145, 2210, 2431, 2770, 2805, 3047, 3315, 3601, 4155, 4290, 4709, 4862, 5610, 6094, 6630, 7202, 7293, 8310, 9141, 9418, 10803, 12155, 14127, 14586, 15235, 18005, 18282, 21606, 23545, 24310, 28254, 30470, 36010, 36465, 39611, 45705, 47090, 51799, 54015, 61217, 70635, 72930, 79222, 91410, 103598, 108030, 118833, 122434, 141270, 155397, 183651, 198055, 237666, 258995, 306085, 310794, 367302, 396110, 517990, 594165, 612170, 673387, 776985, 918255, 1188330, 1346774, 1553970, 1836510, 2020161, 3366935, 4040322, 6733870, 10100805, 20201610]

約数ペア:

[(1, 20201610), (2, 10100805), (3, 6733870), (5, 4040322), (6, 3366935), (10, 2020161), (11, 1836510), (13, 1553970), (15, 1346774), (17, 1188330), (22, 918255), (26, 776985), (30, 673387), (33, 612170), (34, 594165), (39, 517990), (51, 396110), (55, 367302), (65, 310794), (66, 306085), (78, 258995), (85, 237666), (102, 198055), (110, 183651), (130, 155397), (143, 141270), (165, 122434), (170, 118833), (187, 108030), (195, 103598), (221, 91410), (255, 79222), (277, 72930), (286, 70635), (330, 61217), (374, 54015), (390, 51799), (429, 47090), (442, 45705), (510, 39611), (554, 36465), (561, 36010), (663, 30470), (715, 28254), (831, 24310), (858, 23545), (935, 21606), (1105, 18282), (1122, 18005), (1326, 15235), (1385, 14586), (1430, 14127), (1662, 12155), (1870, 10803), (2145, 9418), (2210, 9141), (2431, 8310), (2770, 7293), (2805, 7202), (3047, 6630), (3315, 6094), (3601, 5610), (4155, 4862), (4290, 4709)]