20500470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13399}}^1$

素因数の和:13429

約数の個数: 48

約数和(自身を含む): 56440800

約数和(自身を除く): 35940330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13399, 26798, 40197, 66995, 80394, 120591, 133990, 200985, 227783, 241182, 401970, 455566, 602955, 683349, 1138915, 1205910, 1366698, 2050047, 2277830, 3416745, 4100094, 6833490, 10250235, 20500470]

約数ペア:

[(1, 20500470), (2, 10250235), (3, 6833490), (5, 4100094), (6, 3416745), (9, 2277830), (10, 2050047), (15, 1366698), (17, 1205910), (18, 1138915), (30, 683349), (34, 602955), (45, 455566), (51, 401970), (85, 241182), (90, 227783), (102, 200985), (153, 133990), (170, 120591), (255, 80394), (306, 66995), (510, 40197), (765, 26798), (1530, 13399)]