20238701080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2273}}^1\times {\mathrm{17123}}^1$

素因数の和:19420

約数の個数: 64

約数和(自身を含む): 49064369760

約数和(自身を除く): 28825668680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2273, 4546, 9092, 11365, 17123, 18184, 22730, 29549, 34246, 45460, 59098, 68492, 85615, 90920, 118196, 136984, 147745, 171230, 222599, 236392, 295490, 342460, 445198, 590980, 684920, 890396, 1112995, 1181960, 1780792, 2225990, 4451980, 8903960, 38920579, 77841158, 155682316, 194602895, 311364632, 389205790, 505967527, 778411580, 1011935054, 1556823160, 2023870108, 2529837635, 4047740216, 5059675270, 10119350540, 20238701080]

約数ペア:

[(1, 20238701080), (2, 10119350540), (4, 5059675270), (5, 4047740216), (8, 2529837635), (10, 2023870108), (13, 1556823160), (20, 1011935054), (26, 778411580), (40, 505967527), (52, 389205790), (65, 311364632), (104, 194602895), (130, 155682316), (260, 77841158), (520, 38920579), (2273, 8903960), (4546, 4451980), (9092, 2225990), (11365, 1780792), (17123, 1181960), (18184, 1112995), (22730, 890396), (29549, 684920), (34246, 590980), (45460, 445198), (59098, 342460), (68492, 295490), (85615, 236392), (90920, 222599), (118196, 171230), (136984, 147745)]