20845770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:551

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 34191030

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 181, 330, 349, 362, 543, 698, 905, 1047, 1086, 1745, 1810, 1991, 2094, 2715, 3490, 3839, 3982, 5235, 5430, 5973, 7678, 9955, 10470, 11517, 11946, 19195, 19910, 23034, 29865, 38390, 57585, 59730, 63169, 115170, 126338, 189507, 315845, 379014, 631690, 694859, 947535, 1389718, 1895070, 2084577, 3474295, 4169154, 6948590, 10422885, 20845770]

約数ペア:

[(1, 20845770), (2, 10422885), (3, 6948590), (5, 4169154), (6, 3474295), (10, 2084577), (11, 1895070), (15, 1389718), (22, 947535), (30, 694859), (33, 631690), (55, 379014), (66, 315845), (110, 189507), (165, 126338), (181, 115170), (330, 63169), (349, 59730), (362, 57585), (543, 38390), (698, 29865), (905, 23034), (1047, 19910), (1086, 19195), (1745, 11946), (1810, 11517), (1991, 10470), (2094, 9955), (2715, 7678), (3490, 5973), (3839, 5430), (3982, 5235)]