20212350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{47}}^2\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 52055448

約数和(自身を除く): 31843098

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 61, 75, 94, 122, 141, 150, 183, 235, 282, 305, 366, 470, 610, 705, 915, 1175, 1410, 1525, 1830, 2209, 2350, 2867, 3050, 3525, 4418, 4575, 5734, 6627, 7050, 8601, 9150, 11045, 13254, 14335, 17202, 22090, 28670, 33135, 43005, 55225, 66270, 71675, 86010, 110450, 134749, 143350, 165675, 215025, 269498, 331350, 404247, 430050, 673745, 808494, 1347490, 2021235, 3368725, 4042470, 6737450, 10106175, 20212350]

約数ペア:

[(1, 20212350), (2, 10106175), (3, 6737450), (5, 4042470), (6, 3368725), (10, 2021235), (15, 1347490), (25, 808494), (30, 673745), (47, 430050), (50, 404247), (61, 331350), (75, 269498), (94, 215025), (122, 165675), (141, 143350), (150, 134749), (183, 110450), (235, 86010), (282, 71675), (305, 66270), (366, 55225), (470, 43005), (610, 33135), (705, 28670), (915, 22090), (1175, 17202), (1410, 14335), (1525, 13254), (1830, 11045), (2209, 9150), (2350, 8601), (2867, 7050), (3050, 6627), (3525, 5734), (4418, 4575)]