20921996730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1\times {\mathrm{26113}}^1$

素因数の和:27711

約数の個数: 64

約数和(自身を含む): 53202365568

約数和(自身を除く): 32280368838

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 1571, 3142, 4713, 7855, 9426, 15710, 23565, 26113, 26707, 47130, 52226, 53414, 78339, 80121, 130565, 133535, 156678, 160242, 261130, 267070, 391695, 400605, 443921, 783390, 801210, 887842, 1331763, 2219605, 2663526, 4439210, 6658815, 13317630, 41023523, 82047046, 123070569, 205117615, 246141138, 410235230, 615352845, 697399891, 1230705690, 1394799782, 2092199673, 3486999455, 4184399346, 6973998910, 10460998365, 20921996730]

約数ペア:

[(1, 20921996730), (2, 10460998365), (3, 6973998910), (5, 4184399346), (6, 3486999455), (10, 2092199673), (15, 1394799782), (17, 1230705690), (30, 697399891), (34, 615352845), (51, 410235230), (85, 246141138), (102, 205117615), (170, 123070569), (255, 82047046), (510, 41023523), (1571, 13317630), (3142, 6658815), (4713, 4439210), (7855, 2663526), (9426, 2219605), (15710, 1331763), (23565, 887842), (26113, 801210), (26707, 783390), (47130, 443921), (52226, 400605), (53414, 391695), (78339, 267070), (80121, 261130), (130565, 160242), (133535, 156678)]