20187677940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{31883}}^1$

素因数の和:32129

約数の個数: 96

約数和(自身を含む): 57786051456

約数和(自身を除く): 37598373516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 173, 183, 244, 305, 346, 366, 519, 610, 692, 732, 865, 915, 1038, 1220, 1730, 1830, 2076, 2595, 3460, 3660, 5190, 10380, 10553, 21106, 31659, 31883, 42212, 52765, 63318, 63766, 95649, 105530, 126636, 127532, 158295, 159415, 191298, 211060, 316590, 318830, 382596, 478245, 633180, 637660, 956490, 1912980, 1944863, 3889726, 5515759, 5834589, 7779452, 9724315, 11031518, 11669178, 16547277, 19448630, 22063036, 23338356, 27578795, 29172945, 33094554, 38897260, 55157590, 58345890, 66189108, 82736385, 110315180, 116691780, 165472770, 330945540, 336461299, 672922598, 1009383897, 1345845196, 1682306495, 2018767794, 3364612990, 4037535588, 5046919485, 6729225980, 10093838970, 20187677940]

約数ペア:

[(1, 20187677940), (2, 10093838970), (3, 6729225980), (4, 5046919485), (5, 4037535588), (6, 3364612990), (10, 2018767794), (12, 1682306495), (15, 1345845196), (20, 1009383897), (30, 672922598), (60, 336461299), (61, 330945540), (122, 165472770), (173, 116691780), (183, 110315180), (244, 82736385), (305, 66189108), (346, 58345890), (366, 55157590), (519, 38897260), (610, 33094554), (692, 29172945), (732, 27578795), (865, 23338356), (915, 22063036), (1038, 19448630), (1220, 16547277), (1730, 11669178), (1830, 11031518), (2076, 9724315), (2595, 7779452), (3460, 5834589), (3660, 5515759), (5190, 3889726), (10380, 1944863), (10553, 1912980), (21106, 956490), (31659, 637660), (31883, 633180), (42212, 478245), (52765, 382596), (63318, 318830), (63766, 316590), (95649, 211060), (105530, 191298), (126636, 159415), (127532, 158295)]