20642550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7243}}^1$

素因数の和:7277

約数の個数: 48

約数和(自身を含む): 53895360

約数和(自身を除く): 33252810

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7243, 14486, 21729, 36215, 43458, 72430, 108645, 137617, 181075, 217290, 275234, 362150, 412851, 543225, 688085, 825702, 1086450, 1376170, 2064255, 3440425, 4128510, 6880850, 10321275, 20642550]

約数ペア:

[(1, 20642550), (2, 10321275), (3, 6880850), (5, 4128510), (6, 3440425), (10, 2064255), (15, 1376170), (19, 1086450), (25, 825702), (30, 688085), (38, 543225), (50, 412851), (57, 362150), (75, 275234), (95, 217290), (114, 181075), (150, 137617), (190, 108645), (285, 72430), (475, 43458), (570, 36215), (950, 21729), (1425, 14486), (2850, 7243)]