20120971776

素因数分解:

$2^9\times 3^1\times {\mathrm{37}}^1\times {\mathrm{354043}}^1$

素因数の和:354101

約数の個数: 80

約数和(自身を含む): 55052425824

約数和(自身を除く): 34931454048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 512, 592, 768, 888, 1184, 1536, 1776, 2368, 3552, 4736, 7104, 9472, 14208, 18944, 28416, 56832, 354043, 708086, 1062129, 1416172, 2124258, 2832344, 4248516, 5664688, 8497032, 11329376, 13099591, 16994064, 22658752, 26199182, 33988128, 39298773, 45317504, 52398364, 67976256, 78597546, 90635008, 104796728, 135952512, 157195092, 181270016, 209593456, 271905024, 314390184, 419186912, 543810048, 628780368, 838373824, 1257560736, 1676747648, 2515121472, 3353495296, 5030242944, 6706990592, 10060485888, 20120971776]

約数ペア:

[(1, 20120971776), (2, 10060485888), (3, 6706990592), (4, 5030242944), (6, 3353495296), (8, 2515121472), (12, 1676747648), (16, 1257560736), (24, 838373824), (32, 628780368), (37, 543810048), (48, 419186912), (64, 314390184), (74, 271905024), (96, 209593456), (111, 181270016), (128, 157195092), (148, 135952512), (192, 104796728), (222, 90635008), (256, 78597546), (296, 67976256), (384, 52398364), (444, 45317504), (512, 39298773), (592, 33988128), (768, 26199182), (888, 22658752), (1184, 16994064), (1536, 13099591), (1776, 11329376), (2368, 8497032), (3552, 5664688), (4736, 4248516), (7104, 2832344), (9472, 2124258), (14208, 1416172), (18944, 1062129), (28416, 708086), (56832, 354043)]