20906730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 38533014

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 107, 117, 130, 167, 195, 214, 234, 321, 334, 390, 501, 535, 585, 642, 835, 963, 1002, 1070, 1170, 1391, 1503, 1605, 1670, 1926, 2171, 2505, 2782, 3006, 3210, 4173, 4342, 4815, 5010, 6513, 6955, 7515, 8346, 9630, 10855, 12519, 13026, 13910, 15030, 17869, 19539, 20865, 21710, 25038, 32565, 35738, 39078, 41730, 53607, 62595, 65130, 89345, 97695, 107214, 125190, 160821, 178690, 195390, 232297, 268035, 321642, 464594, 536070, 696891, 804105, 1161485, 1393782, 1608210, 2090673, 2322970, 3484455, 4181346, 6968910, 10453365, 20906730]

約数ペア:

[(1, 20906730), (2, 10453365), (3, 6968910), (5, 4181346), (6, 3484455), (9, 2322970), (10, 2090673), (13, 1608210), (15, 1393782), (18, 1161485), (26, 804105), (30, 696891), (39, 536070), (45, 464594), (65, 321642), (78, 268035), (90, 232297), (107, 195390), (117, 178690), (130, 160821), (167, 125190), (195, 107214), (214, 97695), (234, 89345), (321, 65130), (334, 62595), (390, 53607), (501, 41730), (535, 39078), (585, 35738), (642, 32565), (835, 25038), (963, 21710), (1002, 20865), (1070, 19539), (1170, 17869), (1391, 15030), (1503, 13910), (1605, 13026), (1670, 12519), (1926, 10855), (2171, 9630), (2505, 8346), (2782, 7515), (3006, 6955), (3210, 6513), (4173, 5010), (4342, 4815)]