20908300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:296

約数の個数: 108

約数和(自身を含む): 56105784

約数和(自身を除く): 35197484

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 49, 50, 68, 70, 85, 98, 100, 119, 140, 170, 175, 196, 238, 245, 251, 340, 350, 425, 476, 490, 502, 595, 700, 833, 850, 980, 1004, 1190, 1225, 1255, 1666, 1700, 1757, 2380, 2450, 2510, 2975, 3332, 3514, 4165, 4267, 4900, 5020, 5950, 6275, 7028, 8330, 8534, 8785, 11900, 12299, 12550, 16660, 17068, 17570, 20825, 21335, 24598, 25100, 29869, 35140, 41650, 42670, 43925, 49196, 59738, 61495, 83300, 85340, 87850, 106675, 119476, 122990, 149345, 175700, 209083, 213350, 245980, 298690, 307475, 418166, 426700, 597380, 614950, 746725, 836332, 1045415, 1229900, 1493450, 2090830, 2986900, 4181660, 5227075, 10454150, 20908300]

約数ペア:

[(1, 20908300), (2, 10454150), (4, 5227075), (5, 4181660), (7, 2986900), (10, 2090830), (14, 1493450), (17, 1229900), (20, 1045415), (25, 836332), (28, 746725), (34, 614950), (35, 597380), (49, 426700), (50, 418166), (68, 307475), (70, 298690), (85, 245980), (98, 213350), (100, 209083), (119, 175700), (140, 149345), (170, 122990), (175, 119476), (196, 106675), (238, 87850), (245, 85340), (251, 83300), (340, 61495), (350, 59738), (425, 49196), (476, 43925), (490, 42670), (502, 41650), (595, 35140), (700, 29869), (833, 25100), (850, 24598), (980, 21335), (1004, 20825), (1190, 17570), (1225, 17068), (1255, 16660), (1666, 12550), (1700, 12299), (1757, 11900), (2380, 8785), (2450, 8534), (2510, 8330), (2975, 7028), (3332, 6275), (3514, 5950), (4165, 5020), (4267, 4900)]