20627160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 66528000

約数和(自身を除く): 45900840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 83, 95, 109, 114, 120, 152, 166, 190, 218, 228, 249, 285, 327, 332, 380, 415, 436, 456, 498, 545, 570, 654, 664, 760, 830, 872, 996, 1090, 1140, 1245, 1308, 1577, 1635, 1660, 1992, 2071, 2180, 2280, 2490, 2616, 3154, 3270, 3320, 4142, 4360, 4731, 4980, 6213, 6308, 6540, 7885, 8284, 9047, 9462, 9960, 10355, 12426, 12616, 13080, 15770, 16568, 18094, 18924, 20710, 23655, 24852, 27141, 31065, 31540, 36188, 37848, 41420, 45235, 47310, 49704, 54282, 62130, 63080, 72376, 82840, 90470, 94620, 108564, 124260, 135705, 171893, 180940, 189240, 217128, 248520, 271410, 343786, 361880, 515679, 542820, 687572, 859465, 1031358, 1085640, 1375144, 1718930, 2062716, 2578395, 3437860, 4125432, 5156790, 6875720, 10313580, 20627160]

約数ペア:

[(1, 20627160), (2, 10313580), (3, 6875720), (4, 5156790), (5, 4125432), (6, 3437860), (8, 2578395), (10, 2062716), (12, 1718930), (15, 1375144), (19, 1085640), (20, 1031358), (24, 859465), (30, 687572), (38, 542820), (40, 515679), (57, 361880), (60, 343786), (76, 271410), (83, 248520), (95, 217128), (109, 189240), (114, 180940), (120, 171893), (152, 135705), (166, 124260), (190, 108564), (218, 94620), (228, 90470), (249, 82840), (285, 72376), (327, 63080), (332, 62130), (380, 54282), (415, 49704), (436, 47310), (456, 45235), (498, 41420), (545, 37848), (570, 36188), (654, 31540), (664, 31065), (760, 27141), (830, 24852), (872, 23655), (996, 20710), (1090, 18924), (1140, 18094), (1245, 16568), (1308, 15770), (1577, 13080), (1635, 12616), (1660, 12426), (1992, 10355), (2071, 9960), (2180, 9462), (2280, 9047), (2490, 8284), (2616, 7885), (3154, 6540), (3270, 6308), (3320, 6213), (4142, 4980), (4360, 4731)]