20838744

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15233}}^1$

素因数の和:15264

約数の個数: 48

約数和(自身を含む): 59412600

約数和(自身を除く): 38573856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15233, 30466, 45699, 60932, 91398, 121864, 137097, 182796, 274194, 289427, 365592, 548388, 578854, 868281, 1096776, 1157708, 1736562, 2315416, 2604843, 3473124, 5209686, 6946248, 10419372, 20838744]

約数ペア:

[(1, 20838744), (2, 10419372), (3, 6946248), (4, 5209686), (6, 3473124), (8, 2604843), (9, 2315416), (12, 1736562), (18, 1157708), (19, 1096776), (24, 868281), (36, 578854), (38, 548388), (57, 365592), (72, 289427), (76, 274194), (114, 182796), (152, 137097), (171, 121864), (228, 91398), (342, 60932), (456, 45699), (684, 30466), (1368, 15233)]