20963358

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{887}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 49454496

約数和(自身を除く): 28491138

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 101, 117, 202, 234, 303, 606, 887, 909, 1313, 1774, 1818, 2626, 2661, 3939, 5322, 7878, 7983, 11531, 11817, 15966, 23062, 23634, 34593, 69186, 89587, 103779, 179174, 207558, 268761, 537522, 806283, 1164631, 1612566, 2329262, 3493893, 6987786, 10481679, 20963358]

約数ペア:

[(1, 20963358), (2, 10481679), (3, 6987786), (6, 3493893), (9, 2329262), (13, 1612566), (18, 1164631), (26, 806283), (39, 537522), (78, 268761), (101, 207558), (117, 179174), (202, 103779), (234, 89587), (303, 69186), (606, 34593), (887, 23634), (909, 23062), (1313, 15966), (1774, 11817), (1818, 11531), (2626, 7983), (2661, 7878), (3939, 5322)]