20111850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 62674560

約数和(自身を除く): 42562710

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 25, 30, 33, 34, 45, 50, 51, 55, 66, 75, 85, 90, 99, 102, 110, 150, 153, 165, 170, 187, 198, 225, 239, 255, 275, 306, 330, 374, 425, 450, 478, 495, 510, 550, 561, 717, 765, 825, 850, 935, 990, 1122, 1195, 1275, 1434, 1530, 1650, 1683, 1870, 2151, 2390, 2475, 2550, 2629, 2805, 3366, 3585, 3825, 4063, 4302, 4675, 4950, 5258, 5610, 5975, 7170, 7650, 7887, 8126, 8415, 9350, 10755, 11950, 12189, 13145, 14025, 15774, 16830, 17925, 20315, 21510, 23661, 24378, 26290, 28050, 35850, 36567, 39435, 40630, 42075, 44693, 47322, 53775, 60945, 65725, 73134, 78870, 84150, 89386, 101575, 107550, 118305, 121890, 131450, 134079, 182835, 197175, 203150, 223465, 236610, 268158, 304725, 365670, 394350, 402237, 446930, 591525, 609450, 670395, 804474, 914175, 1117325, 1183050, 1340790, 1828350, 2011185, 2234650, 3351975, 4022370, 6703950, 10055925, 20111850]

約数ペア:

[(1, 20111850), (2, 10055925), (3, 6703950), (5, 4022370), (6, 3351975), (9, 2234650), (10, 2011185), (11, 1828350), (15, 1340790), (17, 1183050), (18, 1117325), (22, 914175), (25, 804474), (30, 670395), (33, 609450), (34, 591525), (45, 446930), (50, 402237), (51, 394350), (55, 365670), (66, 304725), (75, 268158), (85, 236610), (90, 223465), (99, 203150), (102, 197175), (110, 182835), (150, 134079), (153, 131450), (165, 121890), (170, 118305), (187, 107550), (198, 101575), (225, 89386), (239, 84150), (255, 78870), (275, 73134), (306, 65725), (330, 60945), (374, 53775), (425, 47322), (450, 44693), (478, 42075), (495, 40630), (510, 39435), (550, 36567), (561, 35850), (717, 28050), (765, 26290), (825, 24378), (850, 23661), (935, 21510), (990, 20315), (1122, 17925), (1195, 16830), (1275, 15774), (1434, 14025), (1530, 13145), (1650, 12189), (1683, 11950), (1870, 10755), (2151, 9350), (2390, 8415), (2475, 8126), (2550, 7887), (2629, 7650), (2805, 7170), (3366, 5975), (3585, 5610), (3825, 5258), (4063, 4950), (4302, 4675)]