20920410

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{11069}}^1$

素因数の和:11092

約数の個数: 64

約数和(自身を含む): 63763200

約数和(自身を除く): 42842790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 11069, 22138, 33207, 55345, 66414, 77483, 99621, 110690, 154966, 166035, 199242, 232449, 298863, 332070, 387415, 464898, 498105, 597726, 697347, 774830, 996210, 1162245, 1394694, 1494315, 2092041, 2324490, 2988630, 3486735, 4184082, 6973470, 10460205, 20920410]

約数ペア:

[(1, 20920410), (2, 10460205), (3, 6973470), (5, 4184082), (6, 3486735), (7, 2988630), (9, 2324490), (10, 2092041), (14, 1494315), (15, 1394694), (18, 1162245), (21, 996210), (27, 774830), (30, 697347), (35, 597726), (42, 498105), (45, 464898), (54, 387415), (63, 332070), (70, 298863), (90, 232449), (105, 199242), (126, 166035), (135, 154966), (189, 110690), (210, 99621), (270, 77483), (315, 66414), (378, 55345), (630, 33207), (945, 22138), (1890, 11069)]