20105496

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 62726400

約数和(自身を除く): 42620904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 27, 36, 38, 46, 54, 57, 69, 71, 72, 76, 81, 92, 108, 114, 138, 142, 152, 162, 171, 184, 207, 213, 216, 228, 276, 284, 324, 342, 414, 426, 437, 456, 513, 552, 568, 621, 639, 648, 684, 828, 852, 874, 1026, 1242, 1278, 1311, 1349, 1368, 1539, 1633, 1656, 1704, 1748, 1863, 1917, 2052, 2484, 2556, 2622, 2698, 3078, 3266, 3496, 3726, 3834, 3933, 4047, 4104, 4899, 4968, 5112, 5244, 5396, 5751, 6156, 6532, 7452, 7668, 7866, 8094, 9798, 10488, 10792, 11502, 11799, 12141, 12312, 13064, 14697, 14904, 15336, 15732, 16188, 19596, 23004, 23598, 24282, 29394, 31027, 31464, 32376, 35397, 36423, 39192, 44091, 46008, 47196, 48564, 58788, 62054, 70794, 72846, 88182, 93081, 94392, 97128, 109269, 117576, 124108, 132273, 141588, 145692, 176364, 186162, 218538, 248216, 264546, 279243, 283176, 291384, 352728, 372324, 437076, 529092, 558486, 744648, 837729, 874152, 1058184, 1116972, 1675458, 2233944, 2513187, 3350916, 5026374, 6701832, 10052748, 20105496]

約数ペア:

[(1, 20105496), (2, 10052748), (3, 6701832), (4, 5026374), (6, 3350916), (8, 2513187), (9, 2233944), (12, 1675458), (18, 1116972), (19, 1058184), (23, 874152), (24, 837729), (27, 744648), (36, 558486), (38, 529092), (46, 437076), (54, 372324), (57, 352728), (69, 291384), (71, 283176), (72, 279243), (76, 264546), (81, 248216), (92, 218538), (108, 186162), (114, 176364), (138, 145692), (142, 141588), (152, 132273), (162, 124108), (171, 117576), (184, 109269), (207, 97128), (213, 94392), (216, 93081), (228, 88182), (276, 72846), (284, 70794), (324, 62054), (342, 58788), (414, 48564), (426, 47196), (437, 46008), (456, 44091), (513, 39192), (552, 36423), (568, 35397), (621, 32376), (639, 31464), (648, 31027), (684, 29394), (828, 24282), (852, 23598), (874, 23004), (1026, 19596), (1242, 16188), (1278, 15732), (1311, 15336), (1349, 14904), (1368, 14697), (1539, 13064), (1633, 12312), (1656, 12141), (1704, 11799), (1748, 11502), (1863, 10792), (1917, 10488), (2052, 9798), (2484, 8094), (2556, 7866), (2622, 7668), (2698, 7452), (3078, 6532), (3266, 6156), (3496, 5751), (3726, 5396), (3834, 5244), (3933, 5112), (4047, 4968), (4104, 4899)]