20743230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 53421120

約数和(自身を除く): 32677890

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 89, 102, 170, 178, 255, 267, 445, 457, 510, 534, 890, 914, 1335, 1371, 1513, 2285, 2670, 2742, 3026, 4539, 4570, 6855, 7565, 7769, 9078, 13710, 15130, 15538, 22695, 23307, 38845, 40673, 45390, 46614, 77690, 81346, 116535, 122019, 203365, 233070, 244038, 406730, 610095, 691441, 1220190, 1382882, 2074323, 3457205, 4148646, 6914410, 10371615, 20743230]

約数ペア:

[(1, 20743230), (2, 10371615), (3, 6914410), (5, 4148646), (6, 3457205), (10, 2074323), (15, 1382882), (17, 1220190), (30, 691441), (34, 610095), (51, 406730), (85, 244038), (89, 233070), (102, 203365), (170, 122019), (178, 116535), (255, 81346), (267, 77690), (445, 46614), (457, 45390), (510, 40673), (534, 38845), (890, 23307), (914, 22695), (1335, 15538), (1371, 15130), (1513, 13710), (2285, 9078), (2670, 7769), (2742, 7565), (3026, 6855), (4539, 4570)]