20307520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3733}}^1$

素因数の和:3767

約数の個数: 56

約数和(自身を含む): 51215544

約数和(自身を除く): 30908024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3733, 5440, 7466, 14932, 18665, 29864, 37330, 59728, 63461, 74660, 119456, 126922, 149320, 238912, 253844, 298640, 317305, 507688, 597280, 634610, 1015376, 1194560, 1269220, 2030752, 2538440, 4061504, 5076880, 10153760, 20307520]

約数ペア:

[(1, 20307520), (2, 10153760), (4, 5076880), (5, 4061504), (8, 2538440), (10, 2030752), (16, 1269220), (17, 1194560), (20, 1015376), (32, 634610), (34, 597280), (40, 507688), (64, 317305), (68, 298640), (80, 253844), (85, 238912), (136, 149320), (160, 126922), (170, 119456), (272, 74660), (320, 63461), (340, 59728), (544, 37330), (680, 29864), (1088, 18665), (1360, 14932), (2720, 7466), (3733, 5440)]