20272430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4639}}^1$

素因数の和:4688

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 19817170

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4639, 9278, 23195, 46390, 88141, 106697, 176282, 213394, 440705, 533485, 881410, 1066970, 2027243, 4054486, 10136215, 20272430]

約数ペア:

[(1, 20272430), (2, 10136215), (5, 4054486), (10, 2027243), (19, 1066970), (23, 881410), (38, 533485), (46, 440705), (95, 213394), (115, 176282), (190, 106697), (230, 88141), (437, 46390), (874, 23195), (2185, 9278), (4370, 4639)]