20828304

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20663}}^1$

素因数の和:20684

約数の個数: 60

約数和(自身を含む): 66620736

約数和(自身を除く): 45792432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20663, 41326, 61989, 82652, 123978, 144641, 165304, 185967, 247956, 289282, 330608, 371934, 433923, 495912, 578564, 743868, 867846, 991824, 1157128, 1301769, 1487736, 1735692, 2314256, 2603538, 2975472, 3471384, 5207076, 6942768, 10414152, 20828304]

約数ペア:

[(1, 20828304), (2, 10414152), (3, 6942768), (4, 5207076), (6, 3471384), (7, 2975472), (8, 2603538), (9, 2314256), (12, 1735692), (14, 1487736), (16, 1301769), (18, 1157128), (21, 991824), (24, 867846), (28, 743868), (36, 578564), (42, 495912), (48, 433923), (56, 371934), (63, 330608), (72, 289282), (84, 247956), (112, 185967), (126, 165304), (144, 144641), (168, 123978), (252, 82652), (336, 61989), (504, 41326), (1008, 20663)]