20549070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 57451680

約数和(自身を除く): 36902610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 61, 90, 95, 114, 122, 171, 183, 190, 197, 285, 305, 342, 366, 394, 549, 570, 591, 610, 855, 915, 985, 1098, 1159, 1182, 1710, 1773, 1830, 1970, 2318, 2745, 2955, 3477, 3546, 3743, 5490, 5795, 5910, 6954, 7486, 8865, 10431, 11229, 11590, 12017, 17385, 17730, 18715, 20862, 22458, 24034, 33687, 34770, 36051, 37430, 52155, 56145, 60085, 67374, 72102, 104310, 108153, 112290, 120170, 168435, 180255, 216306, 228323, 336870, 360510, 456646, 540765, 684969, 1081530, 1141615, 1369938, 2054907, 2283230, 3424845, 4109814, 6849690, 10274535, 20549070]

約数ペア:

[(1, 20549070), (2, 10274535), (3, 6849690), (5, 4109814), (6, 3424845), (9, 2283230), (10, 2054907), (15, 1369938), (18, 1141615), (19, 1081530), (30, 684969), (38, 540765), (45, 456646), (57, 360510), (61, 336870), (90, 228323), (95, 216306), (114, 180255), (122, 168435), (171, 120170), (183, 112290), (190, 108153), (197, 104310), (285, 72102), (305, 67374), (342, 60085), (366, 56145), (394, 52155), (549, 37430), (570, 36051), (591, 34770), (610, 33687), (855, 24034), (915, 22458), (985, 20862), (1098, 18715), (1159, 17730), (1182, 17385), (1710, 12017), (1773, 11590), (1830, 11229), (1970, 10431), (2318, 8865), (2745, 7486), (2955, 6954), (3477, 5910), (3546, 5795), (3743, 5490)]