20631720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9049}}^1$

素因数の和:9082

約数の個数: 64

約数和(自身を含む): 65160000

約数和(自身を除く): 44528280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9049, 18098, 27147, 36196, 45245, 54294, 72392, 90490, 108588, 135735, 171931, 180980, 217176, 271470, 343862, 361960, 515793, 542940, 687724, 859655, 1031586, 1085880, 1375448, 1719310, 2063172, 2578965, 3438620, 4126344, 5157930, 6877240, 10315860, 20631720]

約数ペア:

[(1, 20631720), (2, 10315860), (3, 6877240), (4, 5157930), (5, 4126344), (6, 3438620), (8, 2578965), (10, 2063172), (12, 1719310), (15, 1375448), (19, 1085880), (20, 1031586), (24, 859655), (30, 687724), (38, 542940), (40, 515793), (57, 361960), (60, 343862), (76, 271470), (95, 217176), (114, 180980), (120, 171931), (152, 135735), (190, 108588), (228, 90490), (285, 72392), (380, 54294), (456, 45245), (570, 36196), (760, 27147), (1140, 18098), (2280, 9049)]