20686069740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49252547}}^1$

素因数の和:49252566

約数の個数: 48

約数和(自身を含む): 66195424512

約数和(自身を除く): 45509354772

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49252547, 98505094, 147757641, 197010188, 246262735, 295515282, 344767829, 492525470, 591030564, 689535658, 738788205, 985050940, 1034303487, 1379071316, 1477576410, 1723839145, 2068606974, 2955152820, 3447678290, 4137213948, 5171517435, 6895356580, 10343034870, 20686069740]

約数ペア:

[(1, 20686069740), (2, 10343034870), (3, 6895356580), (4, 5171517435), (5, 4137213948), (6, 3447678290), (7, 2955152820), (10, 2068606974), (12, 1723839145), (14, 1477576410), (15, 1379071316), (20, 1034303487), (21, 985050940), (28, 738788205), (30, 689535658), (35, 591030564), (42, 492525470), (60, 344767829), (70, 295515282), (84, 246262735), (105, 197010188), (140, 147757641), (210, 98505094), (420, 49252547)]