20870804902

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{880699}}^1$

素因数の和:880776

約数の個数: 24

約数和(自身を含む): 34067237400

約数和(自身を除く): 13196432498

約数列:

[1, 2, 17, 34, 41, 82, 289, 578, 697, 1394, 11849, 23698, 880699, 1761398, 14971883, 29943766, 36108659, 72217318, 254522011, 509044022, 613847203, 1227694406, 10435402451, 20870804902]

約数ペア:

[(1, 20870804902), (2, 10435402451), (17, 1227694406), (34, 613847203), (41, 509044022), (82, 254522011), (289, 72217318), (578, 36108659), (697, 29943766), (1394, 14971883), (11849, 1761398), (23698, 880699)]