20120681640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2748727}}^1$

素因数の和:2748802

約数の個数: 64

約数和(自身を含む): 61351608960

約数和(自身を除く): 41230927320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 2748727, 5497454, 8246181, 10994908, 13743635, 16492362, 21989816, 27487270, 32984724, 41230905, 54974540, 65969448, 82461810, 109949080, 164923620, 167672347, 329847240, 335344694, 503017041, 670689388, 838361735, 1006034082, 1341378776, 1676723470, 2012068164, 2515085205, 3353446940, 4024136328, 5030170410, 6706893880, 10060340820, 20120681640]

約数ペア:

[(1, 20120681640), (2, 10060340820), (3, 6706893880), (4, 5030170410), (5, 4024136328), (6, 3353446940), (8, 2515085205), (10, 2012068164), (12, 1676723470), (15, 1341378776), (20, 1006034082), (24, 838361735), (30, 670689388), (40, 503017041), (60, 335344694), (61, 329847240), (120, 167672347), (122, 164923620), (183, 109949080), (244, 82461810), (305, 65969448), (366, 54974540), (488, 41230905), (610, 32984724), (732, 27487270), (915, 21989816), (1220, 16492362), (1464, 13743635), (1830, 10994908), (2440, 8246181), (3660, 5497454), (7320, 2748727)]