20899681432

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1\times {\mathrm{11677}}^1$

素因数の和:12752

約数の個数: 64

約数和(自身を含む): 46278512640

約数和(自身を除く): 25378831208

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1031, 1736, 2062, 4124, 7217, 8248, 11677, 14434, 23354, 28868, 31961, 46708, 57736, 63922, 81739, 93416, 127844, 163478, 223727, 255688, 326956, 361987, 447454, 653912, 723974, 894908, 1447948, 1789816, 2533909, 2895896, 5067818, 10135636, 12038987, 20271272, 24077974, 48155948, 84272909, 96311896, 168545818, 337091636, 373208597, 674183272, 746417194, 1492834388, 2612460179, 2985668776, 5224920358, 10449840716, 20899681432]

約数ペア:

[(1, 20899681432), (2, 10449840716), (4, 5224920358), (7, 2985668776), (8, 2612460179), (14, 1492834388), (28, 746417194), (31, 674183272), (56, 373208597), (62, 337091636), (124, 168545818), (217, 96311896), (248, 84272909), (434, 48155948), (868, 24077974), (1031, 20271272), (1736, 12038987), (2062, 10135636), (4124, 5067818), (7217, 2895896), (8248, 2533909), (11677, 1789816), (14434, 1447948), (23354, 894908), (28868, 723974), (31961, 653912), (46708, 447454), (57736, 361987), (63922, 326956), (81739, 255688), (93416, 223727), (127844, 163478)]