20199663372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{648173}}^1$

素因数の和:648247

約数の個数: 72

約数和(自身を含む): 55862228016

約数和(自身を除く): 35662564644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 371, 588, 636, 742, 1113, 1484, 2226, 2597, 4452, 5194, 7791, 10388, 15582, 31164, 648173, 1296346, 1944519, 2592692, 3889038, 4537211, 7778076, 9074422, 13611633, 18148844, 27223266, 31760477, 34353169, 54446532, 63520954, 68706338, 95281431, 103059507, 127041908, 137412676, 190562862, 206119014, 240472183, 381125724, 412238028, 480944366, 721416549, 961888732, 1442833098, 1683305281, 2885666196, 3366610562, 5049915843, 6733221124, 10099831686, 20199663372]

約数ペア:

[(1, 20199663372), (2, 10099831686), (3, 6733221124), (4, 5049915843), (6, 3366610562), (7, 2885666196), (12, 1683305281), (14, 1442833098), (21, 961888732), (28, 721416549), (42, 480944366), (49, 412238028), (53, 381125724), (84, 240472183), (98, 206119014), (106, 190562862), (147, 137412676), (159, 127041908), (196, 103059507), (212, 95281431), (294, 68706338), (318, 63520954), (371, 54446532), (588, 34353169), (636, 31760477), (742, 27223266), (1113, 18148844), (1484, 13611633), (2226, 9074422), (2597, 7778076), (4452, 4537211), (5194, 3889038), (7791, 2592692), (10388, 1944519), (15582, 1296346), (31164, 648173)]