20121456

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22063}}^1$

素因数の和:22093

約数の個数: 40

約数和(自身を含む): 54718720

約数和(自身を除く): 34597264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 22063, 44126, 66189, 88252, 132378, 176504, 264756, 353008, 419197, 529512, 838394, 1059024, 1257591, 1676788, 2515182, 3353576, 5030364, 6707152, 10060728, 20121456]

約数ペア:

[(1, 20121456), (2, 10060728), (3, 6707152), (4, 5030364), (6, 3353576), (8, 2515182), (12, 1676788), (16, 1257591), (19, 1059024), (24, 838394), (38, 529512), (48, 419197), (57, 353008), (76, 264756), (114, 176504), (152, 132378), (228, 88252), (304, 66189), (456, 44126), (912, 22063)]