20930230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 42830208

約数和(自身を除く): 21899978

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 53, 85, 101, 106, 115, 170, 202, 230, 265, 391, 505, 530, 782, 901, 1010, 1219, 1717, 1802, 1955, 2323, 2438, 3434, 3910, 4505, 4646, 5353, 6095, 8585, 9010, 10706, 11615, 12190, 17170, 20723, 23230, 26765, 39491, 41446, 53530, 78982, 91001, 103615, 123119, 182002, 197455, 207230, 246238, 394910, 455005, 615595, 910010, 1231190, 2093023, 4186046, 10465115, 20930230]

約数ペア:

[(1, 20930230), (2, 10465115), (5, 4186046), (10, 2093023), (17, 1231190), (23, 910010), (34, 615595), (46, 455005), (53, 394910), (85, 246238), (101, 207230), (106, 197455), (115, 182002), (170, 123119), (202, 103615), (230, 91001), (265, 78982), (391, 53530), (505, 41446), (530, 39491), (782, 26765), (901, 23230), (1010, 20723), (1219, 17170), (1717, 12190), (1802, 11615), (1955, 10706), (2323, 9010), (2438, 8585), (3434, 6095), (3910, 5353), (4505, 4646)]