20226907520

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1663397}}^1$

素因数の和:1663435

約数の個数: 64

約数和(自身を含む): 50899978800

約数和(自身を除く): 30673071280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 1663397, 3326794, 6653588, 8316985, 13307176, 16633970, 26614352, 31604543, 33267940, 53228704, 63209086, 66535880, 106457408, 126418172, 133071760, 158022715, 212914816, 252836344, 266143520, 316045430, 505672688, 532287040, 632090860, 1011345376, 1064574080, 1264181720, 2022690752, 2528363440, 4045381504, 5056726880, 10113453760, 20226907520]

約数ペア:

[(1, 20226907520), (2, 10113453760), (4, 5056726880), (5, 4045381504), (8, 2528363440), (10, 2022690752), (16, 1264181720), (19, 1064574080), (20, 1011345376), (32, 632090860), (38, 532287040), (40, 505672688), (64, 316045430), (76, 266143520), (80, 252836344), (95, 212914816), (128, 158022715), (152, 133071760), (160, 126418172), (190, 106457408), (304, 66535880), (320, 63209086), (380, 53228704), (608, 33267940), (640, 31604543), (760, 26614352), (1216, 16633970), (1520, 13307176), (2432, 8316985), (3040, 6653588), (6080, 3326794), (12160, 1663397)]