20212908966

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{967}}^1\times {\mathrm{6791}}^1$

素因数の和:7791

約数の個数: 80

約数和(自身を含む): 47732002560

約数和(自身を除く): 27519093594

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 967, 1026, 1539, 1934, 2901, 3078, 5802, 6791, 8703, 13582, 17406, 18373, 20373, 26109, 36746, 40746, 52218, 55119, 61119, 78327, 110238, 122238, 129029, 156654, 165357, 183357, 258058, 330714, 366714, 387087, 496071, 550071, 774174, 992142, 1100142, 1161261, 1488213, 2322522, 2976426, 3483783, 6566897, 6967566, 10451349, 13133794, 19700691, 20902698, 39401382, 59102073, 118204146, 124771043, 177306219, 249542086, 354612438, 374313129, 531918657, 748626258, 1063837314, 1122939387, 2245878774, 3368818161, 6737636322, 10106454483, 20212908966]

約数ペア:

[(1, 20212908966), (2, 10106454483), (3, 6737636322), (6, 3368818161), (9, 2245878774), (18, 1122939387), (19, 1063837314), (27, 748626258), (38, 531918657), (54, 374313129), (57, 354612438), (81, 249542086), (114, 177306219), (162, 124771043), (171, 118204146), (342, 59102073), (513, 39401382), (967, 20902698), (1026, 19700691), (1539, 13133794), (1934, 10451349), (2901, 6967566), (3078, 6566897), (5802, 3483783), (6791, 2976426), (8703, 2322522), (13582, 1488213), (17406, 1161261), (18373, 1100142), (20373, 992142), (26109, 774174), (36746, 550071), (40746, 496071), (52218, 387087), (55119, 366714), (61119, 330714), (78327, 258058), (110238, 183357), (122238, 165357), (129029, 156654)]