20449632385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6011}}^1\times {\mathrm{7477}}^1$

素因数の和:13513

約数の個数: 32

約数和(自身を含む): 30211598592

約数和(自身を除く): 9761966207

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 6011, 7477, 30055, 37385, 42077, 52339, 78143, 97201, 210385, 261695, 390715, 486005, 547001, 680407, 2735005, 3402035, 44944247, 224721235, 314609729, 584275211, 1573048645, 2921376055, 4089926477, 20449632385]

約数ペア:

[(1, 20449632385), (5, 4089926477), (7, 2921376055), (13, 1573048645), (35, 584275211), (65, 314609729), (91, 224721235), (455, 44944247), (6011, 3402035), (7477, 2735005), (30055, 680407), (37385, 547001), (42077, 486005), (52339, 390715), (78143, 261695), (97201, 210385)]