20123289735

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{54497}}^1$

素因数の和:54847

約数の個数: 32

約数和(自身を含む): 32646481920

約数和(自身を除く): 12523192185

約数列:

[1, 3, 5, 15, 103, 239, 309, 515, 717, 1195, 1545, 3585, 24617, 54497, 73851, 123085, 163491, 272485, 369255, 817455, 5613191, 13024783, 16839573, 28065955, 39074349, 65123915, 84197865, 195371745, 1341552649, 4024657947, 6707763245, 20123289735]

約数ペア:

[(1, 20123289735), (3, 6707763245), (5, 4024657947), (15, 1341552649), (103, 195371745), (239, 84197865), (309, 65123915), (515, 39074349), (717, 28065955), (1195, 16839573), (1545, 13024783), (3585, 5613191), (24617, 817455), (54497, 369255), (73851, 272485), (123085, 163491)]