20536498948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{1637}}^1$

素因数の和:1925

約数の個数: 96

約数和(自身を含む): 43148851200

約数和(自身を除く): 22612352252

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 97, 124, 149, 194, 217, 298, 388, 434, 596, 679, 868, 1043, 1358, 1637, 2086, 2716, 3007, 3274, 4172, 4619, 6014, 6548, 9238, 11459, 12028, 14453, 18476, 21049, 22918, 28906, 32333, 42098, 45836, 50747, 57812, 64666, 84196, 101171, 101494, 129332, 158789, 202342, 202988, 243913, 317578, 355229, 404684, 448043, 487826, 635156, 710458, 896086, 975652, 1111523, 1420916, 1707391, 1792172, 2223046, 3136301, 3414782, 4446092, 4922459, 6272602, 6829564, 7561303, 9844918, 12545204, 15122606, 19689836, 23659561, 30245212, 34457213, 47319122, 52929121, 68914426, 94638244, 105858242, 137828852, 165616927, 211716484, 331233854, 662467708, 733446391, 1466892782, 2933785564, 5134124737, 10268249474, 20536498948]

約数ペア:

[(1, 20536498948), (2, 10268249474), (4, 5134124737), (7, 2933785564), (14, 1466892782), (28, 733446391), (31, 662467708), (62, 331233854), (97, 211716484), (124, 165616927), (149, 137828852), (194, 105858242), (217, 94638244), (298, 68914426), (388, 52929121), (434, 47319122), (596, 34457213), (679, 30245212), (868, 23659561), (1043, 19689836), (1358, 15122606), (1637, 12545204), (2086, 9844918), (2716, 7561303), (3007, 6829564), (3274, 6272602), (4172, 4922459), (4619, 4446092), (6014, 3414782), (6548, 3136301), (9238, 2223046), (11459, 1792172), (12028, 1707391), (14453, 1420916), (18476, 1111523), (21049, 975652), (22918, 896086), (28906, 710458), (32333, 635156), (42098, 487826), (45836, 448043), (50747, 404684), (57812, 355229), (64666, 317578), (84196, 243913), (101171, 202988), (101494, 202342), (129332, 158789)]