20837700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:183

約数の個数: 162

約数和(自身を含む): 71241534

約数和(自身を除く): 50403834

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 137, 150, 156, 169, 180, 195, 225, 234, 260, 274, 300, 325, 338, 390, 411, 450, 468, 507, 548, 585, 650, 676, 685, 780, 822, 845, 900, 975, 1014, 1170, 1233, 1300, 1370, 1521, 1644, 1690, 1781, 1950, 2028, 2055, 2340, 2466, 2535, 2740, 2925, 3042, 3380, 3425, 3562, 3900, 4110, 4225, 4932, 5070, 5343, 5850, 6084, 6165, 6850, 7124, 7605, 8220, 8450, 8905, 10140, 10275, 10686, 11700, 12330, 12675, 13700, 15210, 16029, 16900, 17810, 20550, 21372, 23153, 24660, 25350, 26715, 30420, 30825, 32058, 35620, 38025, 41100, 44525, 46306, 50700, 53430, 61650, 64116, 69459, 76050, 80145, 89050, 92612, 106860, 115765, 123300, 133575, 138918, 152100, 160290, 178100, 208377, 231530, 267150, 277836, 320580, 347295, 400725, 416754, 463060, 534300, 578825, 694590, 801450, 833508, 1041885, 1157650, 1389180, 1602900, 1736475, 2083770, 2315300, 3472950, 4167540, 5209425, 6945900, 10418850, 20837700]

約数ペア:

[(1, 20837700), (2, 10418850), (3, 6945900), (4, 5209425), (5, 4167540), (6, 3472950), (9, 2315300), (10, 2083770), (12, 1736475), (13, 1602900), (15, 1389180), (18, 1157650), (20, 1041885), (25, 833508), (26, 801450), (30, 694590), (36, 578825), (39, 534300), (45, 463060), (50, 416754), (52, 400725), (60, 347295), (65, 320580), (75, 277836), (78, 267150), (90, 231530), (100, 208377), (117, 178100), (130, 160290), (137, 152100), (150, 138918), (156, 133575), (169, 123300), (180, 115765), (195, 106860), (225, 92612), (234, 89050), (260, 80145), (274, 76050), (300, 69459), (325, 64116), (338, 61650), (390, 53430), (411, 50700), (450, 46306), (468, 44525), (507, 41100), (548, 38025), (585, 35620), (650, 32058), (676, 30825), (685, 30420), (780, 26715), (822, 25350), (845, 24660), (900, 23153), (975, 21372), (1014, 20550), (1170, 17810), (1233, 16900), (1300, 16029), (1370, 15210), (1521, 13700), (1644, 12675), (1690, 12330), (1781, 11700), (1950, 10686), (2028, 10275), (2055, 10140), (2340, 8905), (2466, 8450), (2535, 8220), (2740, 7605), (2925, 7124), (3042, 6850), (3380, 6165), (3425, 6084), (3562, 5850), (3900, 5343), (4110, 5070), (4225, 4932)]