20121745824

素因数分解:

$2^5\times 3^2\times {\mathrm{2731}}^1\times {\mathrm{25583}}^1$

素因数の和:28330

約数の個数: 72

約数和(自身を含む): 57244404672

約数和(自身を除く): 37122658848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 2731, 5462, 8193, 10924, 16386, 21848, 24579, 25583, 32772, 43696, 49158, 51166, 65544, 76749, 87392, 98316, 102332, 131088, 153498, 196632, 204664, 230247, 262176, 306996, 393264, 409328, 460494, 613992, 786528, 818656, 920988, 1227984, 1841976, 2455968, 3683952, 7367904, 69867173, 139734346, 209601519, 279468692, 419203038, 558937384, 628804557, 838406076, 1117874768, 1257609114, 1676812152, 2235749536, 2515218228, 3353624304, 5030436456, 6707248608, 10060872912, 20121745824]

約数ペア:

[(1, 20121745824), (2, 10060872912), (3, 6707248608), (4, 5030436456), (6, 3353624304), (8, 2515218228), (9, 2235749536), (12, 1676812152), (16, 1257609114), (18, 1117874768), (24, 838406076), (32, 628804557), (36, 558937384), (48, 419203038), (72, 279468692), (96, 209601519), (144, 139734346), (288, 69867173), (2731, 7367904), (5462, 3683952), (8193, 2455968), (10924, 1841976), (16386, 1227984), (21848, 920988), (24579, 818656), (25583, 786528), (32772, 613992), (43696, 460494), (49158, 409328), (51166, 393264), (65544, 306996), (76749, 262176), (87392, 230247), (98316, 204664), (102332, 196632), (131088, 153498)]