20212320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2477}}^1$

素因数の和:2512

約数の個数: 96

約数和(自身を含む): 67441248

約数和(自身を除く): 47228928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2477, 2720, 4080, 4954, 7431, 8160, 9908, 12385, 14862, 19816, 24770, 29724, 37155, 39632, 42109, 49540, 59448, 74310, 79264, 84218, 99080, 118896, 126327, 148620, 168436, 198160, 210545, 237792, 252654, 297240, 336872, 396320, 421090, 505308, 594480, 631635, 673744, 842180, 1010616, 1188960, 1263270, 1347488, 1684360, 2021232, 2526540, 3368720, 4042464, 5053080, 6737440, 10106160, 20212320]

約数ペア:

[(1, 20212320), (2, 10106160), (3, 6737440), (4, 5053080), (5, 4042464), (6, 3368720), (8, 2526540), (10, 2021232), (12, 1684360), (15, 1347488), (16, 1263270), (17, 1188960), (20, 1010616), (24, 842180), (30, 673744), (32, 631635), (34, 594480), (40, 505308), (48, 421090), (51, 396320), (60, 336872), (68, 297240), (80, 252654), (85, 237792), (96, 210545), (102, 198160), (120, 168436), (136, 148620), (160, 126327), (170, 118896), (204, 99080), (240, 84218), (255, 79264), (272, 74310), (340, 59448), (408, 49540), (480, 42109), (510, 39632), (544, 37155), (680, 29724), (816, 24770), (1020, 19816), (1360, 14862), (1632, 12385), (2040, 9908), (2477, 8160), (2720, 7431), (4080, 4954)]