20698980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 62146560

約数和(自身を除く): 41447580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 67, 76, 95, 114, 134, 190, 201, 228, 268, 271, 285, 335, 380, 402, 542, 570, 670, 804, 813, 1005, 1084, 1140, 1273, 1340, 1355, 1626, 2010, 2546, 2710, 3252, 3819, 4020, 4065, 5092, 5149, 5420, 6365, 7638, 8130, 10298, 12730, 15276, 15447, 16260, 18157, 19095, 20596, 25460, 25745, 30894, 36314, 38190, 51490, 54471, 61788, 72628, 76380, 77235, 90785, 102980, 108942, 154470, 181570, 217884, 272355, 308940, 344983, 363140, 544710, 689966, 1034949, 1089420, 1379932, 1724915, 2069898, 3449830, 4139796, 5174745, 6899660, 10349490, 20698980]

約数ペア:

[(1, 20698980), (2, 10349490), (3, 6899660), (4, 5174745), (5, 4139796), (6, 3449830), (10, 2069898), (12, 1724915), (15, 1379932), (19, 1089420), (20, 1034949), (30, 689966), (38, 544710), (57, 363140), (60, 344983), (67, 308940), (76, 272355), (95, 217884), (114, 181570), (134, 154470), (190, 108942), (201, 102980), (228, 90785), (268, 77235), (271, 76380), (285, 72628), (335, 61788), (380, 54471), (402, 51490), (542, 38190), (570, 36314), (670, 30894), (804, 25745), (813, 25460), (1005, 20596), (1084, 19095), (1140, 18157), (1273, 16260), (1340, 15447), (1355, 15276), (1626, 12730), (2010, 10298), (2546, 8130), (2710, 7638), (3252, 6365), (3819, 5420), (4020, 5149), (4065, 5092)]